Dog trainer



FIG. 1 is a front, top, right side perspective view of a transmitter, of the dog trainer, shown separately for ease of illustration;

FIG. 2 is a rear, bottom, left side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof;

FIG. 9 is a front, top, left side perspective view of a receiver, of the dog trainer, shown separately for ease of illustration;

FIG. 10 is a rear, bottom, right side perspective view thereof;

FIG. 11 is an front elevation view thereof;

FIG. 12 is an rear elevation view thereof;

FIG. 13 is an enlarged left side elevation view thereof;

FIG. 14 is an enlarged right side elevation view thereof;

FIG. 15 is a top plan view thereof;

FIG. 16 is a bottom plan view thereof; and,

FIG. 17 is a perspective view of transmitter and receiver of the dog trainer.

The broken lines in the drawings illustrate portions of the dog trainer that form no part of the claimed design. 

CLAIM The ornamental design for a dog trainer, as shown and described. 